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√1225 × 28 + 203 × 7 = (?)²

A7

B2401

C49

D56

Answer:

C. 49

Read Explanation:

√1225 × 28 + 203 × 7 = (?)² 35 × 28 + 1421 = ?² 980 + 1421 = ?² 2401 = ?² ? = 49

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